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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
// React deps
const {
Component,
} = require("resource://devtools/client/shared/vendor/react.js");
const PropTypes = require("resource://devtools/client/shared/vendor/react-prop-types.js");
const dom = require("resource://devtools/client/shared/vendor/react-dom-factories.js");
const { div, h1, h2, h3, p, a } = dom;
// Localized strings for (devtools/client/locales/en-US/components.properties)
loader.lazyGetter(this, "L10N", function () {
const { LocalizationHelper } = require("resource://devtools/shared/l10n.js");
return new LocalizationHelper(
"devtools/client/locales/components.properties"
);
});
loader.lazyGetter(this, "FILE_BUG_BUTTON", function () {
return L10N.getStr("appErrorBoundary.fileBugButton");
});
loader.lazyGetter(this, "RELOAD_PAGE_INFO", function () {
return L10N.getStr("appErrorBoundary.reloadPanelInfo");
});
// File a bug for the selected component specifically
const bugLink =
"https://bugzilla.mozilla.org/enter_bug.cgi?product=DevTools&component=";
/**
* Error boundary that wraps around the a given component.
*/
class AppErrorBoundary extends Component {
static get propTypes() {
return {
children: PropTypes.any.isRequired,
panel: PropTypes.any.isRequired,
componentName: PropTypes.string.isRequired,
};
}
constructor(props) {
super(props);
this.state = {
errorMsg: "No error",
errorStack: null,
errorInfo: null,
};
}
/**
* Map the `info` object to a render.
* Currently, `info` usually just contains something similar to the
* following object (which is provided to componentDidCatch):
* componentStack: {"\n in (component) \n in (other component)..."}
*/
renderErrorInfo(info = {}) {
if (Object.keys(info).length) {
return Object.keys(info).map((obj, outerIdx) => {
const traceParts = info[obj]
.split("\n")
.map((part, idx) => p({ key: `strace${idx}` }, part));
return div(
{ key: `st-div-${outerIdx}`, className: "stack-trace-section" },
h3({}, "React Component Stack"),
p({ key: `st-p-${outerIdx}` }, obj.toString()),
traceParts
);
});
}
return p({}, "undefined errorInfo");
}
renderStackTrace(stacktrace = "") {
const re = /:\d+:\d+/g;
const traces = stacktrace
.replace(re, "$&,")
.split(",")
.map((trace, index) => {
return p({ key: `rst-${index}` }, trace);
});
return div(
{ className: "stack-trace-section" },
h3({}, "Stacktrace"),
traces
);
}
// Return a valid object, even if we don't receive one
getValidInfo(infoObj) {
if (!infoObj.componentStack) {
try {
return { componentStack: JSON.stringify(infoObj) };
} catch (err) {
return { componentStack: `Unknown Error: ${err}` };
}
}
return infoObj;
}
// Called when a child component throws an error.
componentDidCatch(error, info) {
const validInfo = this.getValidInfo(info);
this.setState({
errorMsg: error.toString(),
errorStack: error.stack,
errorInfo: validInfo,
});
}
getBugLink() {
const compStack = this.getValidInfo(this.state.errorInfo).componentStack;
const errorMsg = this.state.errorMsg;
const errorStack = this.state.errorStack;
const msg = `Error: \n${errorMsg}\n\nReact Component Stack: ${compStack}\n\nStacktrace: \n${errorStack}`;
return `${bugLink}${this.props.componentName}&comment=${encodeURIComponent(
msg
)}`;
}
render() {
if (this.state.errorInfo !== null) {
// "The (componentDesc) has crashed"
const errorDescription = L10N.getFormatStr(
"appErrorBoundary.description",
this.props.panel
);
return div(
{
className: `app-error-panel`,
},
h1({ className: "error-panel-header" }, errorDescription),
a(
{
className: "error-panel-file-button",
href: this.getBugLink(),
onClick: () => {
window.open(this.getBugLink(), "_blank");
},
},
FILE_BUG_BUTTON
),
h2({ className: "error-panel-error" }, this.state.errorMsg),
div({}, this.renderErrorInfo(this.state.errorInfo)),
div({}, this.renderStackTrace(this.state.errorStack)),
p({ className: "error-panel-reload-info" }, RELOAD_PAGE_INFO)
);
}
return this.props.children;
}
}
module.exports = AppErrorBoundary;
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